Mercurial > hg > octave-lyh > gnulib-hg
changeset 4189:b4aff2a7229a
The `regex' struct is both input and output.
Initialize it before each use. Patch by Tim Waugh.
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Thu, 16 Jan 2003 18:30:31 +0000 |
parents | 2a2694bf4ece |
children | 6bd91a77a39e |
files | m4/regex.m4 |
diffstat | 1 files changed, 5 insertions(+), 1 deletions(-) [+] |
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--- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -1,4 +1,4 @@ -#serial 13 +#serial 14 dnl Initially derived from code in GNU grep. dnl Mostly written by Jim Meyering. @@ -27,6 +27,7 @@ jm_cv_func_working_re_compile_pattern, AC_TRY_RUN( [#include <stdio.h> +#include <string.h> #include <regex.h> int main () @@ -35,12 +36,14 @@ const char *s; struct re_registers regs; re_set_syntax (RE_SYNTAX_POSIX_EGREP); + memset (®ex, 0, sizeof (regex)); [s = re_compile_pattern ("a[[:@:>@:]]b\n", 9, ®ex);] /* This should fail with _Invalid character class name_ error. */ if (!s) exit (1); /* This should succeed, but doesn't for e.g. glibc-2.1.3. */ + memset (®ex, 0, sizeof (regex)); s = re_compile_pattern ("{1", 2, ®ex); if (s) @@ -48,6 +51,7 @@ /* The following example is derived from a problem report against gawk from Jorge Stolfi <stolfi@ic.unicamp.br>. */ + memset (®ex, 0, sizeof (regex)); s = re_compile_pattern ("[[anù]]*n", 7, ®ex); if (s) exit (1);