diff options
Diffstat (limited to 'tools/perf/pmu-events/jevents.c')
| -rw-r--r-- | tools/perf/pmu-events/jevents.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 9eb7047bafe4..b578aa26e375 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -116,6 +116,43 @@ static void fixdesc(char *s) *e = 0; } +/* Add escapes for '\' so they are proper C strings. */ +static char *fixregex(char *s) +{ + int len = 0; + int esc_count = 0; + char *fixed = NULL; + char *p, *q; + + /* Count the number of '\' in string */ + for (p = s; *p; p++) { + ++len; + if (*p == '\\') + ++esc_count; + } + + if (esc_count == 0) + return s; + + /* allocate space for a new string */ + fixed = (char *) malloc(len + 1); + if (!fixed) + return NULL; + + /* copy over the characters */ + q = fixed; + for (p = s; *p; p++) { + if (*p == '\\') { + *q = '\\'; + ++q; + } + *q = *p; + ++q; + } + *q = '\0'; + return fixed; +} + static struct msrmap { const char *num; const char *pname; @@ -648,7 +685,7 @@ static int process_mapfile(FILE *outfp, char *fpath) } line[strlen(line)-1] = '\0'; - cpuid = strtok_r(p, ",", &save); + cpuid = fixregex(strtok_r(p, ",", &save)); version = strtok_r(NULL, ",", &save); fname = strtok_r(NULL, ",", &save); type = strtok_r(NULL, ",", &save); |