diff options
| author | Michael Meskes | 2013-07-05 09:07:16 +0000 |
|---|---|---|
| committer | Michael Meskes | 2013-07-05 09:15:42 +0000 |
| commit | 434943d57608c0d51490c7400363ede8c6a278f2 (patch) | |
| tree | 2ba9f0b6fc5caac46357849f6057390d933d08ab | |
| parent | e9ac1b8775c49a41374d85463f56aed73d512f25 (diff) | |
Applied patch by MauMau <maumau307@gmail.com> to escape filenames in #line statements.
| -rw-r--r-- | src/interfaces/ecpg/preproc/output.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/interfaces/ecpg/preproc/output.c b/src/interfaces/ecpg/preproc/output.c index 09486c66d00..6aacee52923 100644 --- a/src/interfaces/ecpg/preproc/output.c +++ b/src/interfaces/ecpg/preproc/output.c @@ -95,9 +95,22 @@ hashline_number(void) #endif ) { - char *line = mm_alloc(strlen("\n#line %d \"%s\"\n") + sizeof(int) * CHAR_BIT * 10 / 3 + strlen(input_filename)); - - sprintf(line, "\n#line %d \"%s\"\n", yylineno, input_filename); + /* "* 2" here is for escaping \s below */ + char *line = mm_alloc(strlen("\n#line %d \"%s\"\n") + sizeof(int) * CHAR_BIT * 10 / 3 + strlen(input_filename) * 2); + char *src, + *dest; + + sprintf(line, "\n#line %d \"", yylineno); + src = input_filename; + dest = line + strlen(line); + while (*src) + { + if (*src == '\\') + *dest++ = '\\'; + *dest++ = *src++; + } + *dest = '\0'; + strcat(dest, "\"\n"); return line; } |