Update pgmspace.h (#707)

Fix redefines of strXXX, original was using strnXXX with length set to 0x7fffffff.  This caused problems with strcpy and strcat. The destination buffer was NULL'd to 0x7fffffff which killed the app.

Author: stickbreaker

Diff for: cores/esp32/pgmspace.h

@@ -29,8 +29,6 @@ typedef unsigned short prog_uint16_t;
 typedef long prog_int32_t;
 typedef unsigned long prog_uint32_t;
 
-#define SIZE_IRRELEVANT 0x7fffffff
-
 #define PROGMEM
 #define PGM_P         const char *
 #define PGM_VOID_P    const void *
@@ -56,21 +54,20 @@ typedef unsigned long prog_uint32_t;
 #define memccpy_P     memccpy
 #define memmem_P      memmem
 #define memcpy_P      memcpy
+#define strcpy_P      strcpy
 #define strncpy_P     strncpy
+#define strcat_p      strcat
 #define strncat_P     strncat
+#define strcmp_P      strcmp
 #define strncmp_P     strncmp
+#define strcasecmp_P  strcasecmp
 #define strncasecmp_P strncasecmp
+#define strlen_P      strlen
 #define strnlen_P     strnlen
 #define strstr_P      strstr
 #define printf_P      printf
 #define sprintf_P     sprintf
 #define snprintf_P    snprintf
 #define vsnprintf_P   vsnprintf
 
-#define strlen_P(strP)  strnlen_P((strP), SIZE_IRRELEVANT)
-#define strcasecmp_P(str1, str2P) strncasecmp_P((str1), (str2P), SIZE_IRRELEVANT)
-#define strcmp_P(str1, str2P) strncmp_P((str1), (str2P), SIZE_IRRELEVANT)
-#define strcat_P(dest, src) strncat_P((dest), (src), SIZE_IRRELEVANT)
-#define strcpy_P(dest, src) strncpy_P((dest), (src), SIZE_IRRELEVANT)
-
 #endif