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author | hongbotian <hongbo.tianhongbo@huawei.com> | 2015-11-30 01:45:08 -0500 |
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committer | hongbotian <hongbo.tianhongbo@huawei.com> | 2015-11-30 01:45:08 -0500 |
commit | e8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch) | |
tree | aa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/srclib/pcre/pcredemo.c | |
parent | cc40af334e619bb549038238507407866f774f8f (diff) |
upload http
JIRA: BOTTLENECK-10
Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/pcre/pcredemo.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/pcre/pcredemo.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/pcre/pcredemo.c b/rubbos/app/httpd-2.0.64/srclib/pcre/pcredemo.c new file mode 100644 index 00000000..cb4e46f1 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/pcre/pcredemo.c @@ -0,0 +1,94 @@ +#include <stdio.h> +#include <string.h> +#include <pcre.h> + +/* Compile thuswise: + gcc -Wall pcredemo.c -I/opt/local/include -L/opt/local/lib \ + -R/opt/local/lib -lpcre +*/ + +#define OVECCOUNT 30 /* should be a multiple of 3 */ + +int main(int argc, char **argv) +{ +pcre *re; +const char *error; +int erroffset; +int ovector[OVECCOUNT]; +int rc, i; + +if (argc != 3) + { + printf("Two arguments required: a regex and a subject string\n"); + return 1; + } + +/* Compile the regular expression in the first argument */ + +re = pcre_compile( + argv[1], /* the pattern */ + 0, /* default options */ + &error, /* for error message */ + &erroffset, /* for error offset */ + NULL); /* use default character tables */ + +/* Compilation failed: print the error message and exit */ + +if (re == NULL) + { + printf("PCRE compilation failed at offset %d: %s\n", erroffset, error); + return 1; + } + +/* Compilation succeeded: match the subject in the second argument */ + +rc = pcre_exec( + re, /* the compiled pattern */ + NULL, /* no extra data - we didn't study the pattern */ + argv[2], /* the subject string */ + (int)strlen(argv[2]), /* the length of the subject */ + 0, /* start at offset 0 in the subject */ + 0, /* default options */ + ovector, /* output vector for substring information */ + OVECCOUNT); /* number of elements in the output vector */ + +/* Matching failed: handle error cases */ + +if (rc < 0) + { + switch(rc) + { + case PCRE_ERROR_NOMATCH: printf("No match\n"); break; + /* + Handle other special cases if you like + */ + default: printf("Matching error %d\n", rc); break; + } + return 1; + } + +/* Match succeded */ + +printf("Match succeeded\n"); + +/* The output vector wasn't big enough */ + +if (rc == 0) + { + rc = OVECCOUNT/3; + printf("ovector only has room for %d captured substrings\n", rc - 1); + } + +/* Show substrings stored in the output vector */ + +for (i = 0; i < rc; i++) + { + char *substring_start = argv[2] + ovector[2*i]; + int substring_length = ovector[2*i+1] - ovector[2*i]; + printf("%2d: %.*s\n", i, substring_length, substring_start); + } + +return 0; +} + + |