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4680 | right-hear | 1 | #include "fitz.h" |
2 | |||
3 | enum { LINE_LEN = 160, LINE_COUNT = 25 }; |
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4 | |||
5 | static char warn_message[LINE_LEN] = ""; |
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6 | static int warn_count = 0; |
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7 | |||
8 | void fz_flush_warnings(void) |
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9 | { |
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10 | if (warn_count > 1) |
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11 | fprintf(stderr, "warning: ... repeated %d times ...\n", warn_count); |
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12 | warn_message[0] = 0; |
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13 | warn_count = 0; |
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14 | } |
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15 | |||
16 | void fz_warn(char *fmt, ...) |
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17 | { |
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18 | va_list ap; |
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19 | char buf[LINE_LEN]; |
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20 | |||
21 | va_start(ap, fmt); |
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22 | vsnprintf(buf, sizeof buf, fmt, ap); |
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23 | va_end(ap); |
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24 | |||
25 | if (!strcmp(buf, warn_message)) |
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26 | { |
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27 | warn_count++; |
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28 | } |
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29 | else |
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30 | { |
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31 | fz_flush_warnings(); |
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32 | fprintf(stderr, "warning: %s\n", buf); |
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33 | fz_strlcpy(warn_message, buf, sizeof warn_message); |
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34 | warn_count = 1; |
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35 | } |
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36 | } |
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37 | |||
38 | static char error_message[LINE_COUNT][LINE_LEN]; |
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39 | static int error_count = 0; |
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40 | |||
41 | static void |
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42 | fz_emit_error(char what, char *location, char *message) |
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43 | { |
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44 | fz_flush_warnings(); |
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45 | |||
46 | fprintf(stderr, "%c %s%s\n", what, location, message); |
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47 | |||
48 | if (error_count < LINE_COUNT) |
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49 | { |
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50 | fz_strlcpy(error_message[error_count], location, LINE_LEN); |
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51 | fz_strlcat(error_message[error_count], message, LINE_LEN); |
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52 | error_count++; |
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53 | } |
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54 | } |
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55 | |||
56 | int |
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57 | fz_get_error_count(void) |
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58 | { |
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59 | return error_count; |
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60 | } |
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61 | |||
62 | char * |
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63 | fz_get_error_line(int n) |
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64 | { |
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65 | return error_message[n]; |
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66 | } |
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67 | |||
68 | fz_error |
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69 | fz_throw_imp(const char *file, int line, const char *func, char *fmt, ...) |
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70 | { |
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71 | va_list ap; |
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72 | char one[LINE_LEN], two[LINE_LEN]; |
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73 | |||
74 | error_count = 0; |
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75 | |||
76 | snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func); |
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77 | va_start(ap, fmt); |
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78 | vsnprintf(two, sizeof two, fmt, ap); |
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79 | va_end(ap); |
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80 | |||
81 | fz_emit_error('+', one, two); |
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82 | |||
83 | return -1; |
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84 | } |
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85 | |||
86 | fz_error |
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87 | fz_rethrow_imp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...) |
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88 | { |
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89 | va_list ap; |
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90 | char one[LINE_LEN], two[LINE_LEN]; |
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91 | |||
92 | snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func); |
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93 | va_start(ap, fmt); |
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94 | vsnprintf(two, sizeof two, fmt, ap); |
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95 | va_end(ap); |
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96 | |||
97 | fz_emit_error('|', one, two); |
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98 | |||
99 | return cause; |
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100 | } |
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101 | |||
102 | void |
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103 | fz_catch_imp(const char *file, int line, const char *func, fz_error cause, char *fmt, ...) |
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104 | { |
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105 | va_list ap; |
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106 | char one[LINE_LEN], two[LINE_LEN]; |
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107 | |||
108 | snprintf(one, sizeof one, "%s:%d: %s(): ", file, line, func); |
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109 | va_start(ap, fmt); |
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110 | vsnprintf(two, sizeof two, fmt, ap); |
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111 | va_end(ap); |
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112 | |||
113 | fz_emit_error('\\', one, two); |
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114 | } |
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115 | |||
116 | fz_error |
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117 | fz_throw_impx(char *fmt, ...) |
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118 | { |
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119 | va_list ap; |
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120 | char buf[LINE_LEN]; |
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121 | |||
122 | error_count = 0; |
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123 | |||
124 | va_start(ap, fmt); |
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125 | vsnprintf(buf, sizeof buf, fmt, ap); |
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126 | va_end(ap); |
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127 | |||
128 | fz_emit_error('+', "", buf); |
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129 | |||
130 | return -1; |
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131 | } |
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132 | |||
133 | fz_error |
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134 | fz_rethrow_impx(fz_error cause, char *fmt, ...) |
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135 | { |
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136 | va_list ap; |
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137 | char buf[LINE_LEN]; |
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138 | |||
139 | va_start(ap, fmt); |
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140 | vsnprintf(buf, sizeof buf, fmt, ap); |
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141 | va_end(ap); |
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142 | |||
143 | fz_emit_error('|', "", buf); |
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144 | |||
145 | return cause; |
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146 | } |
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147 | |||
148 | void |
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149 | fz_catch_impx(fz_error cause, char *fmt, ...) |
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150 | { |
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151 | va_list ap; |
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152 | char buf[LINE_LEN]; |
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153 | |||
154 | va_start(ap, fmt); |
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155 | vsnprintf(buf, sizeof buf, fmt, ap); |
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156 | va_end(ap); |
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157 | |||
158 | fz_emit_error('\\', "", buf); |
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159 | }> |