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procps
procps-ng-3.3.12-strtod.patch
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File procps-ng-3.3.12-strtod.patch of Package procps
--- include/strutils.h | 2 +- lib/strutils.c | 22 ++++++++++++---------- lib/test_strtod_nol.c | 7 ++++--- 3 files changed, 17 insertions(+), 14 deletions(-) --- include/strutils.h +++ include/strutils.h 2016-07-12 16:28:56.748950404 +0000 @@ -7,6 +7,6 @@ extern long strtol_or_err(const char *str, const char *errmesg); extern double strtod_or_err(const char *str, const char *errmesg); -double strtod_nol_or_err(char *str, const char *errmesg); +extern double strtod_nol_or_err(char *str, const char *errmesg); #endif --- lib/strutils.c +++ lib/strutils.c 2016-07-13 06:49:41.641951219 +0000 @@ -20,6 +20,8 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ +#include <float.h> +#include <math.h> #include <stdlib.h> #include <ctype.h> @@ -71,9 +73,9 @@ double strtod_or_err(const char *str, co */ double strtod_nol_or_err(char *str, const char *errmesg) { - double num; + long double num; const char *cp, *radix; - double mult; + long double mult; int negative = 0; if (str != NULL && *str != '\0') { @@ -95,29 +97,29 @@ double strtod_nol_or_err(char *str, cons mult=0.1; while(isdigit(*radix)) { radix++; - mult *= 10; + mult *= 10.0; } while(isdigit(*cp)) { - num += (*cp - '0') * mult; - mult /= 10; + num += (long double)(*cp - '0') * mult; + mult /= 10.0; cp++; } /* got the integers */ if (*cp == '\0') - return (negative?-num:num); + return (double)(negative?-num:num); if (*cp != '.' && *cp != ',') error(EXIT_FAILURE, EINVAL, "%s: '%s'", errmesg, str); cp++; mult = 0.1; while(isdigit(*cp)) { - num += (*cp - '0') * mult; - mult /= 10; + num += (long double)(*cp - '0') * mult; + mult /= 10.0; cp++; } if (*cp == '\0') - return (negative?-num:num); + return (double)(negative?-num:num); } error(EXIT_FAILURE, errno, "%s: '%s'", errmesg, str); - return 0; + return (double)0; } --- lib/test_strtod_nol.c +++ lib/test_strtod_nol.c 2016-07-13 07:01:43.887513423 +0000 @@ -1,4 +1,5 @@ - +#include <float.h> +#include <math.h> #include <stdio.h> #include <stdlib.h> #include "strutils.h" @@ -33,8 +34,8 @@ int main(int argc, char *argv[]) double val; for(i=0; tests[i].string != NULL; i++) { - if(strtod_nol_or_err(tests[i].string, "Cannot parse number") != - tests[i].result) { + val = strtod_nol_or_err(tests[i].string, "Cannot parse number"); + if(fabs(tests[i].result - val) > DBL_EPSILON) { fprintf(stderr, "FAIL: strtod_nol_or_err(\"%s\") != %f\n", tests[i].string, tests[i].result); return EXIT_FAILURE;
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